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BackgroundSelf‐expandable metallic stent (SEMS) placement is widely carried out for distal malignant biliary obstruction, and survival analysis is used to evaluate the cumulative incidences of SEMS dysfunction (e.g. the Kaplan–Meier [KM] method and the log–rank test). However, these statistical methods might be inappropriate in the presence of ‘competing risks’ (here, death without SEMS dysfunction),...
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